Year	metric tons per capita
1990	1.5685649885693789
1991	1.537704812282286
1992	1.4506079210950902
1993	1.4547858707770056
1994	1.8852745528626662
1995	2.036214445069703
1996	2.0966836568817007
1997	2.280422292577836
1998	2.309510940310322
1999	2.2899313205297
2000	2.187336555778202
2001	2.163438443082406
2002	2.133172349120045
2003	2.1271112677204487
2004	2.198378799196238
2005	1.9502204133424772
2006	1.7574604380201142
2007	2.121818164994759
2008	2.1265000331499038
2009	2.1659669514334623
2010	2.352219185701374
2011	2.461067143221853
2012	2.689370213154902
2013	2.6432260308795588
2014	2.7471007768450906
2015	2.754761062790799
2016	3.2652383718862263
2017	3.24113136945596
2018	3.293512273492261
2019	3.5003311411662934
2020	3.472771016630666